Hi Mates, I am thinking of adding a woofer to my Linea. I am satisfied with the tweeters but I cannot hear the bass section once I drive. My option is to add a tube woofer alone to the factory fit music system. But I have similar doubts on installing. 1- Will it affect my car's battery life (drastically)? 2- What brand&power range can i opt for?(with approx rates) 3- Wil this affect the Blue&me in my car? 4- If you have suggestions other than my queries, please do let me know.